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Photo taken April 9th, 2017.  The hard truth is nobody knows for sure exactly when the best day will be. I've seen breath taking aurora displays during every single month of the season but my favorite time of all is April. Read to the end to find out why. Within a roughly 3 day time horizon, there are some forecasts that are reasonably accurate for predicting the northern lights like at NOAA's Space Weather Prediction Center's forecast. Beyond that timeline, forecasts are typically highly inaccurate. Asking what day is going to be the best, weeks or months out, is like asking for advise on which lottery ticket you should buy (except with Fairbanks Aurora Tours odds are stacked in your favor, not against you). The aurora has a high degree of variation from night to night and ultimately watching it is like fishing, you need to put your line or dip net in the water and be patient. For aurora viewing, that means going outside around solar midnight, getting away from light pollution, and to looking and waiting for the magic to begin. Therefore, the best time to come is anytime between August 21st and April 21st when you have time and the means to. Nobody is getting any younger. Seize the day. Summer nights are too bright to see the aurora, only the moon and Venus can be seen near the summer solstice. Solar activity?Scientists have identified, in general, that there is better alignment of the polarity of the solar wind with earth's geomagnetic field around the equinoxes. This should result in, on average 20-30%, more induction of the solar wind at that time and a increased chance of active aurora. Therefor, with respect to solar activity alone, the months close to the equinox (that is September, October, March, and April) have better odds of active aurora. For example, in this scientific article from Geophysical Research Letters, it is stated that "Global geomagnetic activity show a dominant annual variation with equinoctial maxima alternating between Spring ... and Fall." What about weather patterns?This is something that people rarely ask about but is far more important than any solar trend. From my perspective the worst weather conditions are that in which it is raining or snowing. Dry is better. Based on the data the driest time of the entire aurora season is from April 11th to April 20th where on average there is 0.00 inches of precipitation! It is also very close to the Spring Equinox, hint hint. Unfortunately there is a pervasive myth that the aurora magically and suddenly disappears April 1st so few travelers come up to enjoy this time. Generally though, as the aurora season progresses the historic average precipitation falls. Our summer is our wet season and August / September catch the tail end of it.  ConclusionThe best time to come is when you are able to from August 21- April 21. Should you have the luxury of picking your time and not having it dictated by practical life considerations, I suggest April for the following reasons.
1. It is close to the Spring Equinox when aurora is more likely to be active. 2. It has the driest streak of historical weather during the entire season and as a month is the driest of them all. 3. It is far warmer than the other months (except August and September but they get a lot more precipitation) 4. Since there is a myth that the aurora magically disappears April 1st, far fewer people come to enjoy the lights and due to less demand: A. Flights are less crowded and cheaper. B. Hotels are less crowded and cheaper. 5. Lastly, did I mention it is likely to be warmer, dryer, less expensive, less crowded, and have increased odds of active aurora?
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Having a base layer of insulation all across your body will greatly aid in keeping you warm and comfortable while out viewing Aurora. You can add this to clothing you already have for additional warmth.
Socks: I suggest a high quality wool sock in addition to your warmest boot. Snow Pants: This one here can often be found for $15-20, I personalty own a pair and the insulation is light to moderate. For a better insulated and more expensive type look at Columbia's snow pants, they are a bit warmer. Long Underwear: For the depths of winter wear men's or women's long underwear under your snow pants for extra warmth. For late August and September you could get away with just long underwear and jeans for most nights. Long Sleeve Wicking Shirt: You will want a quick drying long sleeve shirt for a base layer like this Hanes men's or woman's shirt. Long Sleeve Warm Shirt: After your base layer when it is very cold you want to wear a shirt with insulation. My favorite is a men's or woman's Woolrich wool shirt, they are very warm. They aren't as warm as wool but a men's flannel or woman's flannel shirt are warm and a lot cheaper. Insulated Mid-Layer: I personally prefer Columbia's insulated jackets for men. When it is really cold you will need a winter coat outside of this. Gloves: My strategy for photography is to wear light gloves like this for men or women that I can operate the camera with and put my hands in warm coat pockets the rest of the time. Hat: You should bring your warmest hat, if you don't have a winter hat and want a relatively inexpensive one look into the trapper hats. No matter what hat you bring getting a good Turtle Fur Fleece will make it that much warmer, it is highly recommended. Hand warmers are nice to have too. |
AuthorAaron Lojewski is a long time Fairbanks resident, Tour Guide, and Aurora / Northern Lights photographer. Archives
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